Investments in Real Estate-Related Securities - Schedule of Investments in Real Estate-Related Debt Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Principal Balance	$ 27,389	$ 21,101
Unamortized Premium (Discount)	(876)	(563)
Amortized Cost / Cost	32,654	26,679
Unrealized Gain (Loss), Net	(3,783)	(3,167)
Fair Value	28,871	23,512
Non-agency CMBS
Debt Instrument [Line Items]
Principal Balance	22,911	16,123
Unamortized Premium (Discount)	(718)	(419)
Amortized Cost / Cost	22,193	15,704
Unrealized Gain (Loss), Net	(2,043)	(1,816)
Fair Value	$ 20,150	$ 13,888
Period-end Weighted Average Yield	8.24%	7.96%
Corporate debt
Debt Instrument [Line Items]
Principal Balance	$ 4,478	$ 4,978
Unamortized Premium (Discount)	(158)	(144)
Amortized Cost / Cost	4,320	4,834
Unrealized Gain (Loss), Net	(288)	(339)
Fair Value	$ 4,032	$ 4,495
Period-end Weighted Average Yield	5.02%	5.15%
Preferred stock of REITs
Debt Instrument [Line Items]
Amortized Cost / Cost	$ 2,107	$ 2,107
Unrealized Gain (Loss), Net	(180)	(267)
Fair Value	$ 1,927	$ 1,840
Period-end Weighted Average Yield	6.74%	7.06%
Common stock of REITs
Debt Instrument [Line Items]
Amortized Cost / Cost	$ 4,034	$ 4,034
Unrealized Gain (Loss), Net	(1,272)	(745)
Fair Value	$ 2,762	$ 3,289
Period-end Weighted Average Yield	5.57%	4.68%